3(9y-9)-(7y+8)=

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Solution for 3(9y-9)-(7y+8)= equation:


Simplifying
3(9y + -9) + -1(7y + 8) = 0

Reorder the terms:
3(-9 + 9y) + -1(7y + 8) = 0
(-9 * 3 + 9y * 3) + -1(7y + 8) = 0
(-27 + 27y) + -1(7y + 8) = 0

Reorder the terms:
-27 + 27y + -1(8 + 7y) = 0
-27 + 27y + (8 * -1 + 7y * -1) = 0
-27 + 27y + (-8 + -7y) = 0

Reorder the terms:
-27 + -8 + 27y + -7y = 0

Combine like terms: -27 + -8 = -35
-35 + 27y + -7y = 0

Combine like terms: 27y + -7y = 20y
-35 + 20y = 0

Solving
-35 + 20y = 0

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '35' to each side of the equation.
-35 + 35 + 20y = 0 + 35

Combine like terms: -35 + 35 = 0
0 + 20y = 0 + 35
20y = 0 + 35

Combine like terms: 0 + 35 = 35
20y = 35

Divide each side by '20'.
y = 1.75

Simplifying
y = 1.75

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